Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1973_212_6_a6, author = {M. A. Leysin}, title = {Some embedding theorems for a certain class of singular differential operators}, journal = {Doklady Akademii Nauk}, pages = {1293--1296}, publisher = {mathdoc}, volume = {212}, number = {6}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1973_212_6_a6/} }
M. A. Leysin. Some embedding theorems for a certain class of singular differential operators. Doklady Akademii Nauk, Tome 212 (1973) no. 6, pp. 1293-1296. http://geodesic.mathdoc.fr/item/DAN_1973_212_6_a6/